APA (7e ed.) Bronvermelding

Williams, H. A. Marihuana and health a report to the congress from the secretary, department of health, education, and welfare.

Chicago (17e ed.) Bronvermelding

Williams, Harrison A. Marihuana and Health a Report to the Congress from the Secretary, Department of Health, Education, and Welfare.

MLA (8e ed.) Bronvermelding

Williams, Harrison A. Marihuana and Health a Report to the Congress from the Secretary, Department of Health, Education, and Welfare.

Let op: Deze citaties zijn niet altijd 100% accuraat.